<!-- 托管此HTML到任意静态托管（如GitHub Pages） -->
<script>
    fetch("https://壁纸API地址")
        .then(r => r.blob())
        .then(blob => {
            const img = new Image();
            img.src = URL.createObjectURL(blob);
            img.onload = () => {
                img.style.filter = "blur(10px)";
                document.body.appendChild(img);
            };
        });
</script>